🏛️ Verified NIH Record • Updated 2026-04-28
Intradermal, Fractional Dose of HPV Vaccines: (NCT04235257)
Immunogenicity of Fractional Dose of the Bivalent and Nonavalent Intradermal HPV Vaccines.
🔵 Active, Not Recruiting Phase4 💊 Investigational Drug / Biologic Sponsor: University of Washington
🩺 Plain-English Summary (8th-Grade Level)
This randomized phase IV trial compares fractional dose of bivalent HPV vaccine to fractional dose of nonavalent HPV vaccine among men and women aged 27-45 years in Seattle, Washington. Participants will have immune response assessed at baseline, 4 weeks, 6 months, 12 months, and 24 months.
Who can join: Review the eligibility criteria below.
Location: University of Washington Virology Research Clinic — Seattle, Washington
Age range: 27 Years to 45 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- University of Washington Virology Research Clinic — Seattle, Washington
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
More studies in HPV Infection
- Immunogenicity of Fractional Dose of the HPV Vaccines — Seattle, Washington
- An Exploratory Open-Label Clinical Trial Evaluating the Immunogenicity of the 9-valent 2-dose HPV Vaccination Regimen — Boston, Massachusetts
- Early Phase Clinical Trial About Therapeutic Biological Product Mix for Treating HPV — Rockville, Maryland
- Feasibility of HPV Testing With Mail-delivered Sample Collection Kits — San Francisco, California
- PCOM2 - The Physician Communication Intervention, Version 2.0 — Aurora, Colorado
Explore by condition: All HPV Infection clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.